Pauline Sialumba Mundia worked as a personal Secretary for 14 years in both government and private sector. In 1987 formed Chipazuba company with the sole purpose of mining amethyst in Zambia. In 1990 stopped work and started managing the mine full-time up to date.
In 1995 the Zambian government appointed me as the first woman board member of Kariba Minerals Limited the biggest amethyst mine in Zambia as well as Africa.
Elected treasurer for the association of Zambian Women in Mining in 1997
In 2001 elected first woman ,chairperson for Kalomo Miners Association.
In 2002 appointed steering committee for EU Mining Ssector Diversification Programme. It was an ASM project.
In 2002 saved as first woman steering committee member of the World Bank (gemstone project).
2008 was elected the first president of Federation of Small Scale Mining Associations of Zambia stepped down in 2011.
Currently elected Secretary-General of the Association of Zambian Women in Mining, Vice President of the Federation of Small Scale Mining Associations of Zambia and vice president of African Women In Mining Association - Southern African Chapter.
Also serving as Board Member of the Zambia Extractive Council representing the interest of Artisanal and Small Scale Mining.